com.eucalyptus.auth.policy.PolicyPrincipal.java Source code

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Here is the source code for com.eucalyptus.auth.policy.PolicyPrincipal.java

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/*************************************************************************
 * Copyright 2009-2015 Eucalyptus Systems, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 3 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see http://www.gnu.org/licenses/.
 *
 * Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
 * CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
 * additional information or have any questions.
 ************************************************************************/
package com.eucalyptus.auth.policy;

import static org.hamcrest.Matchers.notNullValue;
import static com.eucalyptus.auth.policy.PolicyUtils.checkParam;
import java.util.Set;
import javax.annotation.Nonnull;
import com.eucalyptus.auth.principal.Principal;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;

/**
 *
 */
public class PolicyPrincipal implements Principal {

    private final Principal.PrincipalType type;

    private final Set<String> values;

    private final boolean notPrincipal;

    public PolicyPrincipal(final boolean notPrincipal, @Nonnull final PrincipalType type,
            @Nonnull final Set<String> values) {
        checkParam("type", type, notNullValue());
        checkParam("values", values, notNullValue());
        this.type = type;
        this.values = ImmutableSet.copyOf(Iterables.transform(values, PolicyUtils.internString()));
        this.notPrincipal = notPrincipal;
    }

    @Override
    public PrincipalType getType() {
        return type;
    }

    @Override
    public Set<String> getValues() {
        return values;
    }

    @Override
    public boolean isNotPrincipal() {
        return notPrincipal;
    }

    @Override
    public boolean equals(final Object o) {
        if (this == o)
            return true;
        if (o == null || getClass() != o.getClass())
            return false;

        final PolicyPrincipal that = (PolicyPrincipal) o;

        if (notPrincipal != that.notPrincipal)
            return false;
        if (type != that.type)
            return false;
        if (!values.equals(that.values))
            return false;

        return true;
    }

    @Override
    public int hashCode() {
        int result = type.hashCode();
        result = 31 * result + values.hashCode();
        result = 31 * result + (notPrincipal ? 1 : 0);
        return result;
    }
}